<!DOCTYPE html>
<html>

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <style type="text/css">
        body,
        html,
        #allmap {
            width: 100%;
            height: 100%;
            overflow: hidden;
            margin: 0;
            font-family: "微软雅黑";
        }
    </style>
    <script type="text/javascript"
        src="//api.map.baidu.com/api?type=webgl&v=1.0&ak=SuAbrtK1Bu5V9XISRleW91vpdEVQ70IZ"></script>
    <title>地图展示</title>
</head>

<body>
    <div id="allmap"></div>
    <script type="text/javascript">
        // GL版命名空间为BMapGL
        // 按住鼠标右键，修改倾斜角和角度
        var map = new BMapGL.Map("allmap");    // 创建Map实例
        map.centerAndZoom(new BMapGL.Point(113.687202, 34.810331), 18);  // 初始化地图,设置中心点坐标和地图级别
        map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放
    </script>
</body>

</html>